2500505025503 has 4 divisors (see below), whose sum is σ = 2500520562528. Its totient is φ = 2500489488480.

The previous prime is 2500505025461. The next prime is 2500505025517. The reversal of 2500505025503 is 3055205050052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2500505025503 - 2⁶ = 2500505025439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2500505025503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500505025533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7524551 + ... + 7849832.

It is an arithmetic number, because the mean of its divisors is an integer number (625130140632).

Almost surely, 2^{2500505025503} is an apocalyptic number.

2500505025503 is a deficient number, since it is larger than the sum of its proper divisors (15537025).

2500505025503 is a wasteful number, since it uses less digits than its factorization.

2500505025503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15537024.

The product of its (nonzero) digits is 37500, while the sum is 32.

The spelling of 2500505025503 in words is "two trillion, five hundred billion, five hundred five million, twenty-five thousand, five hundred three".